Adjustable speed drive (ASD) or variable-speed drive (VSD) describes equipment used to control the speed of machinery.Many industrial processes such as assembly lines must operate at different speeds for different products.here speeds may be selected from several different pre-set ranges, usually the drive is said to be adjustable speed. If the output speed can be changed without steps over a range, the drive is usually referred to as variable speed.
NICOLE BROWN SIMPSON'S GRAVE at Ascension Cemetery i n Lake Forest, California. Update: Twenty years after Nicole's death, her father passed away, and his ashes were buried under her headstone.
O.J. Simpson's Ex-Wife Found Stabbed to Death. Nicole Brown Simpson's body was found outside her home at 875 S. Bundy Drive in Brentwood. Police examine the area where her body was found. Nicole Brown Simpson's body was found outside her home at 875 S. Bundy Drive in Brentwood.